Baby Stars, Bicolored Linanthus, True Babystars: Leptosiphon bicolor (Synonyms: Linanthus bicolor, Linanthus bicolor ssp. bicolor, Linanthus bicolor var. bicolor, Linanthus bicolor ssp. minimus, Linanthus bicolor var. minimus) - The flowers are congested with the pedicels short or subsessile. The corolla measures 10-30 mm long with a very long, thin tube and flaring lobes from 2-4 mm long. The tube is white or yellowish while the lobes are pink or lavender or sometimes whitish or light pink with a yellow center. Stems usually reclining across the ground with tips ascending.
Baker's Linanthus, Bolander's Linanthus: Leptosiphon bolanderi (Synonyms: Linanthus bakeri, Linanthus bolanderi) - Pedicels long with the inflorescence very open. Calyx tubular in shape. Corolla measures 2.5-10 mm long and about 1.5 times longer than the calyx. Corolla white to bluish or reddish.
Harkness' Flaxflower, Harkness' Linanthus: Leptosiphon harknessii (Synonyms: Linanthus harknessii, Linanthus harknessii ssp. harknessii) - Pedicels long with the inflorescence very open. Calyx bell-shaped. Corolla measures 1.5-2 mm long and is about equal to or slightly less than 1.5 times as long as the calyx. Corollas white to occasionally pale blue.
Flax-flower Desert-trumpets, Threadstem Linanthus, Thread-stem Linanthus, Thread-stemmed Linanthus: Leptosiphon liniflorus (Synonyms: Gilia pharnaceoides, Linanthus liniflorus, Linanthus liniflorus ssp. pharnaceoides, Linanthus liniflorus var. pharnaceoides, Linanthus pharnaceoides)
Northern Linanthus: Leptosiphon septentrionalis (Synonyms: Gilia septentrionalis, Linanthus harknessii var. septentrionalis, Linanthus septentrionalis) - Observed near Tom McCall Preserve and collected near Arlington, OR.